mirror of
https://github.com/torvalds/linux.git
synced 2024-09-20 15:03:04 +00:00
drm/panel: add lincolntech lcd197 support
Add support for the Lincoln Technologies LCD197 1080x1920 DSI panel. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/20240626142212.1341556-4-jbrunet@baylibre.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240626142212.1341556-4-jbrunet@baylibre.com
This commit is contained in:
Jerome Brunet
Neil Armstrong
parent
3ebc76c424
commit
c5207ed463
|
|
@ -328,6 +328,17 @@ config DRM_PANEL_LEADTEK_LTK500HD1829
|
|||
24 bit RGB per pixel. It provides a MIPI DSI interface to
|
||||
the host and has a built-in LED backlight.
|
||||
|
||||
config DRM_PANEL_LINCOLNTECH_LCD197
|
||||
tristate "Lincoln Technologies lcd197 panel"
|
||||
depends on OF
|
||||
depends on DRM_MIPI_DSI
|
||||
depends on BACKLIGHT_CLASS_DEVICE
|
||||
help
|
||||
Say Y here if you want to enable support for lincolntech lcd197
|
||||
TFT-LCD modules. The panel has a 1080x1920 resolution and uses
|
||||
24 bit RGB per pixel. It provides a MIPI DSI interface to
|
||||
the host.
|
||||
|
||||
config DRM_PANEL_LG_LB035Q02
|
||||
tristate "LG LB035Q024573 RGB panel"
|
||||
depends on GPIOLIB && OF && SPI
|
||||
|
|
|
|||
|
|
@ -33,6 +33,7 @@ obj-$(CONFIG_DRM_PANEL_KHADAS_TS050) += panel-khadas-ts050.o
|
|||
obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o
|
||||
obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W) += panel-leadtek-ltk050h3146w.o
|
||||
obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o
|
||||
obj-$(CONFIG_DRM_PANEL_LINCOLNTECH_LCD197) += panel-lincolntech-lcd197.o
|
||||
obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o
|
||||
obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
|
||||
obj-$(CONFIG_DRM_PANEL_LG_SW43408) += panel-lg-sw43408.o
|
||||
|
|
|
|||
262
drivers/gpu/drm/panel/panel-lincolntech-lcd197.c
Normal file
262
drivers/gpu/drm/panel/panel-lincolntech-lcd197.c
Normal file
|
|
@ -0,0 +1,262 @@
|
|||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* Copyright (C) 2024 BayLibre, SAS
|
||||
* Author: Jerome Brunet <jbrunet@baylibre.com>
|
||||
*/
|
||||
|
||||
#include <linux/gpio/consumer.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/regulator/consumer.h>
|
||||
|
||||
#include <video/mipi_display.h>
|
||||
|
||||
#include <drm/drm_device.h>
|
||||
#include <drm/drm_probe_helper.h>
|
||||
#include <drm/drm_mipi_dsi.h>
|
||||
#include <drm/drm_modes.h>
|
||||
#include <drm/drm_panel.h>
|
||||
|
||||
struct lincoln_lcd197_panel {
|
||||
struct drm_panel panel;
|
||||
struct mipi_dsi_device *dsi;
|
||||
struct regulator *supply;
|
||||
struct gpio_desc *enable_gpio;
|
||||
struct gpio_desc *reset_gpio;
|
||||
};
|
||||
|
||||
static inline
|
||||
struct lincoln_lcd197_panel *to_lincoln_lcd197_panel(struct drm_panel *panel)
|
||||
{
|
||||
return container_of(panel, struct lincoln_lcd197_panel, panel);
|
||||
}
|
||||
|
||||
static int lincoln_lcd197_panel_prepare(struct drm_panel *panel)
|
||||
{
|
||||
struct lincoln_lcd197_panel *lcd = to_lincoln_lcd197_panel(panel);
|
||||
struct mipi_dsi_multi_context ctx = { .dsi = lcd->dsi };
|
||||
int err;
|
||||
|
||||
gpiod_set_value_cansleep(lcd->enable_gpio, 0);
|
||||
err = regulator_enable(lcd->supply);
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
gpiod_set_value_cansleep(lcd->enable_gpio, 1);
|
||||
usleep_range(1000, 2000);
|
||||
gpiod_set_value_cansleep(lcd->reset_gpio, 1);
|
||||
usleep_range(5000, 6000);
|
||||
gpiod_set_value_cansleep(lcd->reset_gpio, 0);
|
||||
msleep(50);
|
||||
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xb9, 0xff, 0x83, 0x99);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xd2, 0x55);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xb1, 0x02, 0x04, 0x70, 0x90, 0x01,
|
||||
0x32, 0x33, 0x11, 0x11, 0x4d, 0x57, 0x56, 0x73,
|
||||
0x02, 0x02);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xb2, 0x00, 0x80, 0x80, 0xae, 0x0a,
|
||||
0x0e, 0x75, 0x11, 0x00, 0x00, 0x00);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xb4, 0x00, 0xff, 0x04, 0xa4, 0x02,
|
||||
0xa0, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x00,
|
||||
0x24, 0x02, 0x04, 0x0a, 0x21, 0x03, 0x00, 0x00,
|
||||
0x08, 0xa6, 0x88, 0x04, 0xa4, 0x02, 0xa0, 0x00,
|
||||
0x00, 0x10, 0x00, 0x00, 0x02, 0x00, 0x24, 0x02,
|
||||
0x04, 0x0a, 0x00, 0x00, 0x08, 0xa6, 0x00, 0x08,
|
||||
0x11);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xd3, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x18, 0x18, 0x32, 0x10, 0x09, 0x00, 0x09,
|
||||
0x32, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x11, 0x00, 0x02, 0x02, 0x03, 0x00,
|
||||
0x00, 0x00, 0x0a, 0x40);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xd5, 0x18, 0x18, 0x18, 0x18, 0x21,
|
||||
0x20, 0x18, 0x18, 0x19, 0x19, 0x19, 0x19, 0x18,
|
||||
0x18, 0x18, 0x18, 0x03, 0x02, 0x01, 0x00, 0x2f,
|
||||
0x2f, 0x30, 0x30, 0x31, 0x31, 0x18, 0x18, 0x18,
|
||||
0x18, 0x18, 0x18);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xd6, 0x18, 0x18, 0x18, 0x18, 0x20,
|
||||
0x21, 0x19, 0x19, 0x18, 0x18, 0x19, 0x19, 0x18,
|
||||
0x18, 0x18, 0x18, 0x00, 0x01, 0x02, 0x03, 0x2f,
|
||||
0x2f, 0x30, 0x30, 0x31, 0x31, 0x18, 0x18, 0x18,
|
||||
0x18, 0x18, 0x18);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xbd, 0x01);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xd8, 0x0a, 0xbe, 0xfa, 0xa0, 0x0a,
|
||||
0xbe, 0xfa, 0xa0);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xd8, 0x0f, 0xff, 0xff, 0xe0, 0x0f,
|
||||
0xff, 0xff, 0xe0);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xbd, 0x02);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xd8, 0x0f, 0xff, 0xff, 0xe0, 0x0f,
|
||||
0xff, 0xff, 0xe0);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xe0, 0x01, 0x11, 0x1c, 0x17, 0x39,
|
||||
0x43, 0x54, 0x51, 0x5a, 0x64, 0x6c, 0x74, 0x7a,
|
||||
0x83, 0x8d, 0x92, 0x99, 0xa4, 0xa9, 0xb4, 0xaa,
|
||||
0xba, 0xbe, 0x63, 0x5e, 0x69, 0x73, 0x01, 0x11,
|
||||
0x1c, 0x17, 0x39, 0x43, 0x54, 0x51, 0x5a, 0x64,
|
||||
0x6c, 0x74, 0x7a, 0x83, 0x8d, 0x92, 0x99, 0xa4,
|
||||
0xa7, 0xb2, 0xa9, 0xba, 0xbe, 0x63, 0x5e, 0x69,
|
||||
0x73);
|
||||
mipi_dsi_usleep_range(&ctx, 200, 300);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xb6, 0x92, 0x92);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xcc, 0x00);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xbf, 0x40, 0x41, 0x50, 0x49);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc6, 0xff, 0xf9);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, 0xc0, 0x25, 0x5a);
|
||||
mipi_dsi_dcs_write_seq_multi(&ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x02);
|
||||
mipi_dsi_dcs_exit_sleep_mode_multi(&ctx);
|
||||
mipi_dsi_msleep(&ctx, 120);
|
||||
|
||||
if (ctx.accum_err) {
|
||||
gpiod_set_value_cansleep(lcd->enable_gpio, 0);
|
||||
gpiod_set_value_cansleep(lcd->reset_gpio, 1);
|
||||
regulator_disable(lcd->supply);
|
||||
}
|
||||
|
||||
return ctx.accum_err;
|
||||
}
|
||||
|
||||
static int lincoln_lcd197_panel_unprepare(struct drm_panel *panel)
|
||||
{
|
||||
struct lincoln_lcd197_panel *lcd = to_lincoln_lcd197_panel(panel);
|
||||
struct mipi_dsi_multi_context ctx = { .dsi = lcd->dsi };
|
||||
|
||||
mipi_dsi_dcs_enter_sleep_mode_multi(&ctx);
|
||||
mipi_dsi_usleep_range(&ctx, 5000, 6000);
|
||||
gpiod_set_value_cansleep(lcd->enable_gpio, 0);
|
||||
gpiod_set_value_cansleep(lcd->reset_gpio, 1);
|
||||
regulator_disable(lcd->supply);
|
||||
|
||||
return ctx.accum_err;
|
||||
}
|
||||
|
||||
static int lincoln_lcd197_panel_enable(struct drm_panel *panel)
|
||||
{
|
||||
struct lincoln_lcd197_panel *lcd = to_lincoln_lcd197_panel(panel);
|
||||
struct mipi_dsi_multi_context ctx = { .dsi = lcd->dsi };
|
||||
|
||||
mipi_dsi_dcs_set_display_on_multi(&ctx);
|
||||
mipi_dsi_msleep(&ctx, 20);
|
||||
|
||||
return ctx.accum_err;
|
||||
}
|
||||
|
||||
static int lincoln_lcd197_panel_disable(struct drm_panel *panel)
|
||||
{
|
||||
struct lincoln_lcd197_panel *lcd = to_lincoln_lcd197_panel(panel);
|
||||
struct mipi_dsi_multi_context ctx = { .dsi = lcd->dsi };
|
||||
|
||||
mipi_dsi_dcs_set_display_off_multi(&ctx);
|
||||
mipi_dsi_msleep(&ctx, 50);
|
||||
|
||||
return ctx.accum_err;
|
||||
}
|
||||
|
||||
static const struct drm_display_mode lcd197_mode = {
|
||||
.clock = 154002,
|
||||
.hdisplay = 1080,
|
||||
.hsync_start = 1080 + 20,
|
||||
.hsync_end = 1080 + 20 + 6,
|
||||
.htotal = 1080 + 204,
|
||||
.vdisplay = 1920,
|
||||
.vsync_start = 1920 + 4,
|
||||
.vsync_end = 1920 + 4 + 4,
|
||||
.vtotal = 1920 + 79,
|
||||
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
|
||||
.width_mm = 79,
|
||||
.height_mm = 125,
|
||||
.type = DRM_MODE_TYPE_DRIVER,
|
||||
};
|
||||
|
||||
static int lincoln_lcd197_panel_get_modes(struct drm_panel *panel,
|
||||
struct drm_connector *connector)
|
||||
{
|
||||
return drm_connector_helper_get_modes_fixed(connector, &lcd197_mode);
|
||||
}
|
||||
|
||||
static const struct drm_panel_funcs lincoln_lcd197_panel_funcs = {
|
||||
.prepare = lincoln_lcd197_panel_prepare,
|
||||
.unprepare = lincoln_lcd197_panel_unprepare,
|
||||
.enable = lincoln_lcd197_panel_enable,
|
||||
.disable = lincoln_lcd197_panel_disable,
|
||||
.get_modes = lincoln_lcd197_panel_get_modes,
|
||||
};
|
||||
|
||||
static int lincoln_lcd197_panel_probe(struct mipi_dsi_device *dsi)
|
||||
{
|
||||
struct lincoln_lcd197_panel *lcd;
|
||||
struct device *dev = &dsi->dev;
|
||||
int err;
|
||||
|
||||
dsi->lanes = 4;
|
||||
dsi->format = MIPI_DSI_FMT_RGB888;
|
||||
dsi->mode_flags = (MIPI_DSI_MODE_VIDEO |
|
||||
MIPI_DSI_MODE_VIDEO_BURST);
|
||||
|
||||
lcd = devm_kzalloc(&dsi->dev, sizeof(*lcd), GFP_KERNEL);
|
||||
if (!lcd)
|
||||
return -ENOMEM;
|
||||
|
||||
mipi_dsi_set_drvdata(dsi, lcd);
|
||||
lcd->dsi = dsi;
|
||||
|
||||
lcd->supply = devm_regulator_get(dev, "power");
|
||||
if (IS_ERR(lcd->supply))
|
||||
return dev_err_probe(dev, PTR_ERR(lcd->supply),
|
||||
"failed to get power supply");
|
||||
|
||||
lcd->enable_gpio = devm_gpiod_get(dev, "enable",
|
||||
GPIOD_OUT_HIGH);
|
||||
if (IS_ERR(lcd->enable_gpio))
|
||||
return dev_err_probe(dev, PTR_ERR(lcd->enable_gpio),
|
||||
"failed to get enable gpio");
|
||||
|
||||
lcd->reset_gpio = devm_gpiod_get(dev, "reset",
|
||||
GPIOD_OUT_HIGH);
|
||||
if (IS_ERR(lcd->reset_gpio))
|
||||
return dev_err_probe(dev, PTR_ERR(lcd->reset_gpio),
|
||||
"failed to get reset gpio");
|
||||
|
||||
drm_panel_init(&lcd->panel, dev,
|
||||
&lincoln_lcd197_panel_funcs, DRM_MODE_CONNECTOR_DSI);
|
||||
|
||||
err = drm_panel_of_backlight(&lcd->panel);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
drm_panel_add(&lcd->panel);
|
||||
err = mipi_dsi_attach(dsi);
|
||||
if (err)
|
||||
drm_panel_remove(&lcd->panel);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static void lincoln_lcd197_panel_remove(struct mipi_dsi_device *dsi)
|
||||
{
|
||||
struct lincoln_lcd197_panel *lcd = mipi_dsi_get_drvdata(dsi);
|
||||
int err;
|
||||
|
||||
err = mipi_dsi_detach(dsi);
|
||||
if (err < 0)
|
||||
dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", err);
|
||||
|
||||
drm_panel_remove(&lcd->panel);
|
||||
}
|
||||
|
||||
static const struct of_device_id lincoln_lcd197_of_match[] = {
|
||||
{ .compatible = "lincolntech,lcd197", },
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, lincoln_lcd197_of_match);
|
||||
|
||||
static struct mipi_dsi_driver lincoln_lcd197_panel_driver = {
|
||||
.driver = {
|
||||
.name = "panel-lincolntech-lcd197",
|
||||
.of_match_table = lincoln_lcd197_of_match,
|
||||
},
|
||||
.probe = lincoln_lcd197_panel_probe,
|
||||
.remove = lincoln_lcd197_panel_remove,
|
||||
};
|
||||
module_mipi_dsi_driver(lincoln_lcd197_panel_driver);
|
||||
|
||||
MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
|
||||
MODULE_DESCRIPTION("Lincoln Technologies LCD197 panel driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Reference in New Issue
Block a user